Atomizer and electronic cigarette

ABSTRACT

An atomizer ( 1 ) and an electronic cigarette ( 100 ). The atomizer ( 1 ) comprises: a housing ( 11 ), a chamber ( 111 ) being formed at the interior thereof and an opening ( 112 ) being provided at one end to allow the chamber ( 111 ) to communicate with the outside; a base ( 12 ), comprising a first end ( 121 ) and a second end ( 122 ), the first end ( 121 ) of the base ( 12 ) being inserted into the chamber ( 111 ) and being connected to the inner wall of the chamber ( 111 ) so as to be fixed in the chamber ( 111 ), and the second end ( 122 ) extending in a direction close to the opening ( 112 ) and being spaced apart from the inner wall of the chamber ( 111 ) so as to jointly enclose to form a liquid storage cavity ( 113 ) for storing an aerosol generating substrate; an atomization core assembly ( 13 ), which is provided in the base ( 12 ), the base ( 12 ) being provided with an oil guide hole ( 123 ) that places the atomization core assembly ( 13 ) and the liquid storage cavity ( 113 ) in communication; and a suction nozzle assembly ( 14 ), which is detachably connected to the housing ( 11 ) and is covered by the opening ( 112 ), an exhaust channel ( 124 ) for conveying an aerosol being formed in the base ( 12 ), and the exhaust channel ( 124 ) communicating with the suction nozzle assembly ( 14 ). The described atomizer ( 1 ) can achieve 360° barrier-free oil injection and has a stable structure; the structure is not easily loosened when touching an oil injection machine during an automatic oil injection process.

CROSS-REFERENCE TO RELATED APPLICATIONS

The present application claims priority to Chinese Utility Model Application No. 202020317274.4, filed on Mar. 13, 2020 and entitled “ATOMIZER AND ELECTRONIC CIGARETTE”, which is incorporated herein by reference in its entirety.

TECHNICAL FIELD

The present application relates to the technical field of smoking sets, and in particular relates to an atomizer and an electronic cigarette.

BACKGROUND

Electronic cigarettes are gradually being accepted by consumers as an electronic product that can produce an aerosol with a similar smell, taste and feeling to cigarettes. Generally, an electronic cigarette includes an atomizer and a battery assembly for supplying power to the atomizer.

An aerosol generation substrate is stored in the atomizer, and an atomization core assembly capable of heating the aerosol generation substrate to generate an aerosol is provided within the atomizer. At present, the common practice is to configure a cavity within the atomizer to accommodate the aerosol generation substrate. To facilitate injection of the aerosol generation substrate into the cavity, a notch is generally formed in the cavity. However, the notch in the existing atomizer is generally an independent small hole, injection needs to be conducted from a fixed direction when the aerosol generation substrate is added, 360-degree trouble-free operation cannot be realized, causing that automatic oiling cannot be realized on an oiling machine during a production process. Although there are certain atomizers capable of achieving 360-degree trouble-free oiling at present, the structures of the atomizers are not stable enough, and when the atomizer is in contact with the oiling machine during automatic oiling, the structure is easy to loosen and thus the normal use of the atomizer is affected.

SUMMARY

The present application mainly aims to provide an atomizer which can realize 360-degree trouble-free oiling and is stable in structure, and an electronic cigarette having the atomizer.

In order to achieve the above purpose, the technical solution employed by the present application is: an atomizer, including

-   a housing, which is internally hollow to form a cavity, and provided     with an opening at one end, enabling the cavity to be in     communication with the outside; -   a base, including a first end and a second end, where the first end     of the base is inserted into the cavity and connected to the inner     wall of the cavity, to be fixed within the cavity, the base extends     along the direction from the first end towards the opening, the     second end is suspended in the cavity, and the base is spaced from     the housing to form a liquid storage cavity therebetween for storing     an aerosol generation substrate; -   an atomization core assembly, provided in the base, the atomization     core assembly being configured to heat the aerosol generation     substrate to generate an aerosol; and -   a suction nozzle assembly, detachably connected to the housing and     at least a part of which is accommodated in a gap between the     housing and the second end of the base.

Preferably, the base is internally provided with an exhaust channel configured to convey the aerosol, and the exhaust channel is in communication with the suction nozzle assembly, such that the aerosol generated by the atomization core assembly heating the aerosol generation substrate can be discharged to the outside via the suction nozzle assembly.

Preferably, the atomizer further includes limit posts, where limit grooves are provided on the peripheral side of the base close to the first end, the housing is provided with mounting holes, and one end of the limit post is fixed within the mounting hole while the other end is inserted into the limit groove, to limit movement of the base along the axial direction of the cavity.

Preferably, there are at least two limit posts, and the limit posts are provided at intervals along the circumferential direction of the housing.

Preferably, the atomizer further includes first sealing members and second sealing members, where the first sealing members and the second sealing members are sleeved on the surface of the peripheral side of the first end at intervals, and the first sealing members and the second sealing members are respectively located on two opposite sides of the mounting holes.

Preferably, the surface of the peripheral side of the base close to the first end is in interference fit with the inner wall of the cavity, enabling the base to be fixed within the cavity.

Preferably, the first end is adhesively connected to the inner wall of the cavity, enabling the base to be fixed within the cavity.

Preferably, the suction nozzle assembly includes a bracket and a sealing cover, where the bracket is fixed at the opening, the sealing cover is inserted into the bracket and connected to the second end of the base, the sealing cover is provided with a through hole in communication with the exhaust channel, and the aerosol generated by the atomization core assembly heating the aerosol generation substrate can be discharged to the outside via the exhaust channel and the through hole.

Preferably, the suction nozzle assembly further includes third sealing members, where the third sealing members are sleeved on the sealing cover, and some of the third sealing members are located between the side wall of the sealing cover and the inner wall of the bracket, while some of the third sealing members are located between the inner wall of the sealing cover and the outer wall of the second end.

Preferably, the end face of the second end is located within the cavity.

Preferably, the end face of the second end extends out of the cavity.

Preferably, a vent hole is formed in the position, close to the second end, of the base, and the vent hole is in communication with the exhaust channel.

Preferably, the atomizer further includes a sealing plug, where when the suction nozzle assembly is disassembled from the housing, the sealing plug is connected to the second end and blocks the vent hole.

The present application further provides an electronic cigarette, including the atomizer and a battery assembly, the battery assembly being configured to supply power to the atomizer.

According to the atomizer and the electronic cigarette provided by the present application, the first end of the base is inserted into and fixed within the cavity of the housing, the second end of the base extends towards the open end of the housing and spaced from the inner wall of the cavity, to form a liquid storage cavity therebetween in an enclosing manner for storing the aerosol generation substrate, such that the second end of the base is not connected to the inner wall of the cavity, when the aerosol generation substrate is injected into the liquid storage cavity, 360-degree trouble-free operation can be performed, and it is convenient to use an oiling machine to realize automatic production. Furthermore, because the base is of an integral structure, sufficient connection strength of the connection between the first end and the inner wall of the cavity can be ensured, the structural stability is good, and the base can stably exist in the cavity, effectively preventing the base from loosening during the process of injecting the aerosol generation substrate, and thus ensuring normal use of the atomizer.

BRIEF DESCRIPTION OF DRAWINGS

The purpose realization, functional characteristics and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with embodiments. One or more embodiments are illustrated by pictures in the corresponding accompanying drawings, which are not intended to limit the embodiments, in which elements having the same reference numerals represent similar elements, and the figures of the accompanying drawings are not intended to constitute a scale limitation unless specifically stated otherwise.

FIG. 1 is a schematic structural diagram of an electronic cigarette according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a boundary structure according to an embodiment of the present application;

FIG. 3 is a sectional view of the electronic cigarette after oiling according to an embodiment of the invention;

FIG. 4 is a sectional view of the electronic cigarette while oiling according to an embodiment of the invention; and

FIG. 5 is a schematic structural diagram of a base according to an embodiment of the present application.

In figures: 1, atomizer; 11, housing; 111, cavity; 112, opening; 113, liquid storage cavity; 114, mounting hole; 12, base; 121, first end; 122, second end; 123, oil guiding hole; 124, exhaust channel; 125, limit groove; 126, vent hole; 13, atomization core assembly; 14, suction nozzle assembly; 141, bracket; 142, sealing cover; 1421, through hole; 143, third sealing member; 15, limit post; 16, first sealing member; 17, second sealing member; 18, sealing plug; 2, battery assembly; 100, electronic cigarette.

DETAILED DESCRIPTION

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not used to limit the present application. To facilitate the understanding of the present application, the application will be described in more detail below with reference to the accompanying drawings and detailed description. It should be noted that when an element is referred to as being “fixed to” another element, it can be directly on the another element or one or more intervening elements may be present therebetween. When an element is referred to as being “connected” to another element, it can be directly connected to the another element or one or more intervening elements may be present therebetween. As used herein, the terms “upper,” “lower,” “left,” “right,” “inner,” “outer,” and the like are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the specification of the present application are for the purpose of describing specific embodiments only and are not used to limit the present application. As used herein, the term “and/or” includes any and all combinations of one or more of associated listed items.

Referring to FIG. 1 and FIG. 2 , an electronic cigarette 100 according to an embodiment of the present application includes an atomizer 1 and a battery assembly 2 for supplying power to the atomizer 1. The atomizer 1 and the battery assembly 2 may be integrated, or may be connected together by means of snap-fit, magnetic attraction, threaded connection, or the like. The atomizer 1 according to the embodiment includes a housing 11, a base 12, an atomization core assembly 13, and a suction nozzle assembly 14.

Specifically, referring to FIG. 3 to FIG. 5 , the housing 11 is internally hollow to form a cavity 111, and provided with an opening 112 at one end, enabling the cavity 111 to be in communication with the outside. The base 12 includes a first end 121 and a second end 122. The first end 121 of the base 12 is inserted into the cavity 111 and connected to the inner wall of the cavity 111 to be fixed within the cavity 111. The base 12 extends from the first end 121 to the second end 122 along the direction close to the opening 112 and the second end 122 is suspended in the cavity 111, that is, the second end 122 is spaced from the inner wall of the housing 11. The base 12 and the housing 11 are spaced from each other to form a liquid storage cavity 113 therebetween for storing an aerosol generation substrate. The atomization core assembly 13 is provided within the base 12, the base 12 is provided with an oil guiding hole 123 for communicating the atomization core assembly 13 with the liquid storage cavity 113, and the atomization core assembly 13 is configured to heat the aerosol generation substrate to generate an aerosol. The suction nozzle assembly 14 is detachably connected to the housing 11 and at least a part of the suction nozzle assembly is accommodated within a gap between the housing 11 and the second end 122, an exhaust channel 124 configured to convey the aerosol is formed within the base 12, and the exhaust channel 124 is in communication with the suction nozzle assembly 14, such that the aerosol generated by the atomization core assembly 13 heating the aerosol generation substrate can be discharged to the outside via the suction nozzle assembly 14.

According to the atomizer 1 and the electronic cigarette 100, the first end 121 of the base 12 is inserted into and fixed within the cavity 111 of the housing 11, and the second end 122 of the base 12 extends towards the opening 112 of the housing 11 and is spaced from the inner wall of the cavity 111, to form the liquid storage cavity 113 therebetween in an enclosing manner for storing the aerosol generation substrate, such that the second end 122 of the base 12 is not connected to the inner wall of the cavity 111, when the aerosol generation substrate is injected into the liquid storage cavity 113, 360-degree trouble-free operation can be performed, and it is convenient to use an oiling machine to realize automatic production. Furthermore, because the base 12 is of an integral structure, sufficient connection strength of the connection between the first end 121 and the inner wall of the cavity 111 can be ensured, the structural stability is good, and the base 12 can stably exist in the cavity 111, effectively preventing the base 12 from loosening during the process of injecting the aerosol generation substrate, and thus ensuring normal use of the atomizer 1. In addition, the atomization core assembly 13 is provided within the base 12, and the aerosol generation substrate within the liquid storage cavity 113 can flow to the atomization core assembly 13 via the oil guiding hole 123, to be heated and vaporized by the atomization core assembly 13 to form the aerosol, and the aerosol is discharged to the outside via the exhaust channel 124 to be smoked by a user. The suction nozzle assembly 14 is detachably provided on the opening 112 of the housing 11, when the aerosol generation substrate needs to be injected into the liquid storage cavity 113, the suction nozzle assembly 14 can be disassembled from the housing 11, then the aerosol generation substrate is added into the liquid storage cavity 113 via a gap between the second end 122 of the base 12 and the inner wall of the cavity 111, and finally, the suction nozzle assembly 14 is installed on the opening 112 of the housing 11 to seal the liquid storage cavity 113, such that the atomizer 1 can be added with the aerosol generation substrate for many times, and the use cost becomes lower.

In a preferred embodiment, referring to FIG. 2 to FIG. 4 , the atomizer 1 further includes limit posts 15, limit grooves 125 are provided on the peripheral side of the base 12 close to the first end 121, the housing 11 is provided with mounting holes 114, and one end of the limit post 15 is fixed within the mounting hole 114 while the other end is inserted into the limit groove 125, to limit movement of the base 12 along the axial direction of the cavity 111. In this embodiment, by means of cooperation among the limit posts 15, the mounting holes 114 and the limit grooves 125, the movement of the base 12 along the axial direction of the cavity 111 is limited. In addition, when the base 12 is installed within the cavity 111, the cooperation of the limit posts 15 and the limit grooves 125 can play a role in positioning, to prompt that the base 12 is installed in place. Specifically, there are at least two limit posts 15, and the limit posts 15 are provided at intervals along the circumferential direction of the housing 11. In this embodiment, there are two limit posts, the two limit posts 15 are symmetrically provided on the housing 11, correspondingly, there are also two mounting holes 114, and there may be two limit grooves 125, or a structure of an annular limit groove 125 may also be employed, which is more convenient for installation operation.

Furthermore, in the above embodiment, referring to FIG. 2 to FIG. 5 , the atomizer 1 further includes first sealing members 16 and second sealing members 17, where the first sealing members 16 and the second sealing members 17 are sleeved on the surface of the peripheral side of the first end 121 at intervals, and the first sealing members 16 and the second sealing members 17 are respectively located on two opposite sides of the mounting holes 114. The first sealing members 16 and the second sealing members 17 may play a role in sealing and isolating. On one hand, the sealing members can seal a gap between the second end 122 of the base 12 and the inner wall of the cavity 111 to prevent leakage of the aerosol generation substrate; and on the other hand, the sealing members can isolate the mounting holes 114 from other space inside the atomizer 1, preventing air leakage of the atomizer 1 at the mounting holes 114, and keeping the stability of air pressure in the process that the user smokes the aerosol. The user experience of the electronic cigarette 100 becomes better. In addition, the first end 121 of the base 12 may also be fixed within the cavity 111 by an interference fit between the first sealing members 16 and the inner wall of the cavity 111 and between the second sealing members 17 and the inner wall of the cavity, and the first sealing members 16 and the second sealing members 17 are provided at intervals, which is beneficial to ensuring balance of the base 12 such that the base 12 can be more stably positioned within the cavity 111. It is worth mentioning that the first sealing members 16 and the second sealing members 17 may be made from silica gel or rubber.

In another specific embodiment, the surface of the peripheral side of the base 12 close to the first end 121 is in interference fit with the inner wall of the cavity 111, thereby enabling the base 12 to be fixed within the cavity 111. In this embodiment, the surface of the peripheral side of the first end 121 of the base 12 may be directly in interference fit with the inner wall of the cavity 111, or may be in interference fit with the inner wall of the cavity 111 via other components, such as a silica gel case. The base 12 is fixed within the cavity 111 by means of interference fit, facilitating installation operation of the atomizer 1.

Certainly, in some other specific embodiments, the first end 121 of the base 12 may be directly attached to the inner wall of the cavity 111 by an adhesive such as glue, thereby enabling the base 12 to be fixed within the cavity 111. When the base 12 is adhesively fixed within the cavity 111 by the adhesive, the base 12 is firmly connected to the inner wall of the cavity 111, and the installation operation is simple and convenient. In addition, the base 12 may alternatively be fixed within the cavity 111 by means of snap-fit connection, threaded connection, or the like.

In a preferred embodiment, referring to FIG. 2 and FIG. 3 , the suction nozzle assembly 14 includes a bracket 141 and a sealing cover 142, where the bracket 141 is fixed to the opening 112, the sealing cover 142 is inserted into the bracket 141 and connected to the second end 122 of the base 12, the sealing cover 142 is provided with a through hole 1421 in communication with the exhaust channel 124, the aerosol generated by the atomization core assembly 13 heating the aerosol generation substrate may be discharged to the outside via the exhaust channel 124 and the through hole 1421. The sealing cover 142 and the bracket 141 can be fixed together in advance and then inserted into the opening 112 of the housing 11 together. Fixed connections between the bracket 141 and the housing 11 and between the bracket 141 and the sealing cover 142 can be realized by interference fit, and fixed connection between the suction nozzle assembly 14 and the housing 11 can also be realized by other fixing modes, such as threaded connection or snap-fit connection. In a specific embodiment, the bracket 141 is fixed within the opening 112 in advance, and the sealing cover 142 is detachably connected to the bracket 141, such that when the aerosol generation substrate needs to be added into the oil storage cavity, the sealing cover 142 can be disassembled from the bracket 141.

Furthermore, referring to FIG. 2 and FIG. 3 , the suction nozzle assembly 14 further includes third sealing members 143, where the third sealing members 143 are sleeved on the sealing cover 142, and some of the third sealing members 143 are located between the sidewall of the sealing cover 142 and the inner wall of the bracket 141, while some of the third sealing members 143 are located between the inner wall of the sealing cover 142 and the outer wall of the second end 122. By providing the third sealing members 143, the aerosol generation substrate within the liquid storage cavity 113 can be prevented from leaking between the sealing cover 142 and the second end 122 of the base 12 and between the bracket 141 and the sealing cover 142.

In one embodiment, as shown in FIG. 2 to FIG. 4 , the end face of the second end 122 is located within the cavity 111, that is, the end face of the second end 122 is lower than the end face of the end, close to the opening 112, of the housing 11. Certainly, in another embodiment, the end face of the second end 122 extends out of the cavity 111, that is, the end face of the second end 122 is higher than the end face of the end, close to the opening 112, of the housing 11.

Further, as shown in FIG. 5 , after the aerosol generation substrate is added into the oil storage cavity, to avoid liquid leakage or the like of the atomizer 1 caused by that air in the liquid storage cavity 113 is compressed such that air pressure is increased during the process of inserting the suction nozzle assembly 14 into the opening 112 of the housing 11, a vent hole 126 is formed in the position, close to the second end 122, of the base 12, and the vent hole 126 is in communication with the exhaust channel 124. In this way, during the process of inserting the suction nozzle assembly 14 into the opening 112, the gas in the liquid storage cavity 113 can be discharged via the vent hole 126, effectively preventing the air pressure from being too large caused by compression of the air in the liquid storage cavity 113.

Furthermore, referring to FIG. 2 and FIG. 4 , to avoid liquid leakage through the vent hole 126 during the process of adding the aerosol generation substrate into the liquid storage cavity 113, the atomizer 1 further includes a sealing plug 18, where when the suction nozzle assembly 14 is disassembled from the housing 11, the sealing plug 18 is connected to the second end 122 and seals the vent hole 126, such that the vent hole 126 is blocked, the aerosol generation substrate is prevented from flowing into the exhaust channel 124 through the vent hole 126, and the quality of the aerosol smoked by the user is ensured. Furthermore, when the end face of the second end 122 of the base 12 is lower than the height of the end, close to the opening 112, of the housing 11, the sealing plug 18 can also perform prevent the aerosol generation substrate from being directly injected into the exhaust channel 124 of the base 12 during the process of adding the aerosol generation substrate.

It should be noted that preferred embodiments of the present invention are given in the specification and accompanying drawings thereof, but the present invention can be embodied in many different forms and is not limited to the embodiments described in the specification, and these embodiments are not intended as additional limitations on the present invention. These embodiments are provided for the purpose of achieving a more thorough and complete understanding of the disclosure of the present application. Furthermore, the above technical features continue to be combined with each other to form various embodiments not listed above, all of which are considered to be within the scope of the specification of the present application. Furthermore, it will be apparent to those of ordinary skill in the art that modifications or variations may be made in light of the above description, and all such modifications and variations should fall within the scope of the appended claims. 

1. An atomizer, comprising: a housing, which is internally hollow to form a cavity, and provided with an opening at one end, enabling the cavity to be in communication with the outside; a base, comprising a first end and a second end, wherein the first end of the base is inserted into the cavity and connected to the inner wall of the cavity, to be fixed within the cavity, the base extends along the direction from the first end towards the opening, the second end is suspended in the cavity, and the base is spaced from the housing to form a liquid storage cavity therebetween for storing an aerosol generation substrate; an atomization core assembly, provided in the base, the atomization core assembly being configured to heat the aerosol generation substrate to generate an aerosol; and a suction nozzle assembly, detachably connected to the housing and at least a part of which is accommodated in a gap between the housing and the second end of the base.
 2. The atomizer according to claim 1, wherein the base is internally provided with an outlet channel configured to convey the aerosol, and the outlet channel is in communication with the suction nozzle assembly, such that the aerosol generated by the atomization core assembly heating the aerosol generation substrate can be discharged to the outside via the suction nozzle assembly.
 3. The atomizer according to claim 1, further comprising limit posts, wherein limit grooves are provided on the peripheral side of the base close to the first end, the housing is provided with mounting holes, and one end of the limit post is fixed within the mounting hole while the other end is inserted into the limit groove, to limit movement of the base along the axial direction of the cavity.
 4. The atomizer according to claim 3, wherein there are at least two limit posts, and the limit posts are provided at intervals along the circumferential direction of the housing.
 5. The atomizer according to claim 3, further comprising first sealing members and second sealing members, wherein the first sealing members and the second sealing members are sleeved on the surface of the peripheral side of the first end at intervals, and the first sealing members and the second sealing members are respectively located on two opposite sides of the mounting holes.
 6. The atomizer according to claim 1, wherein the surface of the peripheral side of the base close to the first end is in interference fit with the inner wall of the cavity, enabling the base to be fixed within the cavity.
 7. The atomizer according to claim 1, wherein the first end is adhesively connected to the inner wall of the cavity, enabling the base to be fixed within the cavity.
 8. The atomizer according to claim 2, wherein the suction nozzle assembly comprises a bracket and a sealing cover, the bracket is fixed at the opening, the sealing cover is inserted into the bracket and connected to the second end of the base, the sealing cover is provided with a through hole in communication with the outlet channel, and the aerosol generated by the atomization core assembly heating the aerosol generation substrate can be discharged to the outside via the outlet channel and the through hole.
 9. The atomizer according to claim 8, wherein the suction nozzle assembly further comprises third sealing members, wherein the third sealing members are sleeved on the sealing cover, and some of the third sealing members are located between the side wall of the sealing cover and the inner wall of the bracket, while some of the third sealing members are located between the inner wall of the sealing cover and the outer wall of the second end.
 10. The atomizer according to claim 2, wherein the end face of the second end is located within the cavity.
 11. The atomizer according to claim 2, wherein the end face of the second end extends out of the cavity.
 12. The atomizer according to claim 10, wherein a vent hole is formed in the position, close to the second end, of the base, and the vent hole is in communication with the outlet channel.
 13. The atomizer according to claim 12, further comprising a sealing plug, wherein when the suction nozzle assembly is disassembled from the housing, the sealing plug is connected to the second end and blocks the vent hole.
 14. An electronic cigarette, comprising the atomizer according to claim 1 and a battery assembly, the battery assembly being configured to supply power to the atomizer.
 15. The atomizer according to claim 11, wherein a vent hole is formed in the position, close to the second end, of the base, and the vent hole is in communication with the exhaust channel. 